Finding the unloaded geometryΒΆ
from fenics_plotly import plot
import pulse
geometry = pulse.HeartGeometry.from_file(pulse.mesh_paths["simple_ellipsoid"])
# geometry = pulse.geometries.prolate_ellipsoid_geometry(mesh_size_factor=3.0)
material = pulse.NeoHookean()
# material = pulse.Guccione()
2021-11-27 10:17:49,204 [1005] INFO pulse.geometry_utils:
Load mesh from h5
# Parameter for the cardiac boundary conditions
bcs_parameters = pulse.MechanicsProblem.default_bcs_parameters()
bcs_parameters["base_spring"] = 1.0
bcs_parameters["base_bc"] = "fix_x"
# Create the problem
problem = pulse.MechanicsProblem(geometry, material, bcs_parameters=bcs_parameters)
# Suppose geometry is loaded with a pressure of 1 kPa
# and create the unloader
unloader = pulse.FixedPointUnloader(problem=problem, pressure=3.0)
2021-11-27 10:17:49,416 [1005] INFO pulse.unloader:
-------------------------- Unloading options ---------------------------
Target pressure: 3.0
maxiter = 10
tolerance = 0.0001
regenerate_fibers (serial only)= False
------------------------------------------------------------------------
# Unload the geometry
unloader.unload()
2021-11-27 10:17:49,424 [1005] INFO pulse.unloader: ------------------------------------------------------------------------
2021-11-27 10:17:49,425 [1005] INFO pulse.unloader: ----------------------------Start unloading-----------------------------
2021-11-27 10:17:49,427 [1005] INFO pulse.unloader: ------------------------------------------------------------------------
2021-11-27 10:17:49,433 [1005] INFO pulse.unloader:
LV Volume of original geometry = 0.749 ml
2021-11-27 10:17:49,475 [1005] INFO pulse.unloader:
Do an intial solve
2021-11-27 10:17:55,052 [1005] INFO pulse.unloader:
Iteration: 0
2021-11-27 10:17:55,529 [1005] INFO pulse.unloading_utils:
LV Volume of original geometry = 0.568 ml
2021-11-27 10:18:01,142 [1005] INFO pulse.unloading_utils:
LV Volume of inflated geometry = 0.568 ml
2021-11-27 10:18:01,617 [1005] INFO pulse.unloading_utils:
LV Volume of new reference geometry = 0.717 ml
2021-11-27 10:18:01,677 [1005] INFO pulse.unloader:
Residual: 0.011328623428538232
2021-11-27 10:18:01,681 [1005] INFO pulse.unloader:
Iteration: 1
2021-11-27 10:18:02,151 [1005] INFO pulse.unloading_utils:
LV Volume of original geometry = 0.596 ml
2021-11-27 10:18:07,841 [1005] INFO pulse.unloading_utils:
LV Volume of inflated geometry = 0.596 ml
2021-11-27 10:18:08,298 [1005] INFO pulse.unloading_utils:
LV Volume of new reference geometry = 0.754 ml
2021-11-27 10:18:08,351 [1005] INFO pulse.unloader:
Residual: 0.0016980102145400784
2021-11-27 10:18:08,353 [1005] INFO pulse.unloader:
Iteration: 2
2021-11-27 10:18:08,829 [1005] INFO pulse.unloading_utils:
LV Volume of original geometry = 0.592 ml
2021-11-27 10:18:14,374 [1005] INFO pulse.unloading_utils:
LV Volume of inflated geometry = 0.592 ml
2021-11-27 10:18:14,834 [1005] INFO pulse.unloading_utils:
LV Volume of new reference geometry = 0.749 ml
2021-11-27 10:18:14,889 [1005] INFO pulse.unloader:
Residual: 0.00025928769312994886
2021-11-27 10:18:14,891 [1005] INFO pulse.unloader:
Iteration: 3
2021-11-27 10:18:15,367 [1005] INFO pulse.unloading_utils:
LV Volume of original geometry = 0.593 ml
2021-11-27 10:18:20,960 [1005] INFO pulse.unloading_utils:
LV Volume of inflated geometry = 0.593 ml
2021-11-27 10:18:21,445 [1005] INFO pulse.unloading_utils:
LV Volume of new reference geometry = 0.750 ml
2021-11-27 10:18:21,503 [1005] INFO pulse.unloader:
Residual: 3.9313042959155325e-05
2021-11-27 10:18:21,506 [1005] INFO pulse.unloader: ########################################################################
Unloading suceeding
# Get the unloaded geometry
unloaded_geometry = unloader.unloaded_geometry
fig = plot(geometry.mesh, opacity=0.0, show=False)
fig.add_plot(plot(unloaded_geometry.mesh, color="red", show=False))
fig.show()